is work up the california coastline. where it will be tomorrow will give us the same counterclockwise flow but now it's an onshore flow. that means about 10 or 15 degrees cooler widespread with some areas on the peninsula or the coast like downtown san francisco 20 or 25 degrees cooler tomorrow. then low pressure is just going to kind of sit right over top of the bay area this weekend which means highs just about everywhere near the bay. we'll only be in the 60s and coming up for the top of next week, there is actually the chance of rain showers. so a significant weather change which begins tomorrow. look at the highs for tomorrow. oakland down to 72. concord down from 102 to 84. and san jose down from near 100 to 81 degrees. milpitis your high tomorrow 80. palo alto 79. still nice, just not as hot. 80s for walnut creek and san ramon, dublin 86, vallejo 75. downtown san francisco only 67. san leandro 73. novato 78 degrees. look at the extended forecast. friday, saturday, sunday, barely making 80 inland. right around 70 near the bay and next week, there is the chance of a few rain showers.